Finding the Fourth Proportional to 118,208.29, 163,127.99 and 64,494.43

Step by Step Solution

1. Step 1: Write the proportion equation
   118,208.29 : 163,127.99 = 64,494.43 : x
2. Step 2: Convert to fraction form
   118,208.29/163,127.99 = 64,494.43/x
3. Step 3: Cross multiply
   118,208.29x = 163,127.99 × 64,494.43
4. Step 4: Simplify right side
   118,208.29x = 10,520,846,732.10
5. Step 5: Solve for x
   x = 10,520,846,732.10/118,208.29
6. Step 6: Final answer
   x = 89,002.61